Quickload. The pirate sniper reloads its rifled musket as a bonus action.

Sneak Attack. Once per turn, the pirate sniper deals an extra 17 (5d6) damage when he hits a target with a weapon attack and has advantage on the attack roll, or when the target is within 5 feet of an ally of the pirate sniper that isn’t incapacitated and the pirate sniper doesn’t have disadvantage on the attack roll.

Steady Aim. Before the pirate sniper makes a ranged attack he may take a -4 penalty to hit to gain a +8 bonus to damage.

Actions

Multiattack. The pirate sniper makes two attacks with its rifled musket.